import unittest
from mydict import Dict
d=Dict(a=1,b=2)
print(d)

class TestDict(unittest.TestCase):
    def test_init(self):
        d = Dict(a=1, b='test')
        self.assertEqual(d.a, 1)
        self.assertEqual(d.b, 'test')
        self.assertTrue(isinstance(d, dict))

    def test_key(self):
        d = Dict()
        d['key'] = 'value'
        self.assertEqual(d.key, 'value')

    def test_attr(self):
        d = Dict()
        d.key = 'value'
        self.assertTrue('key' in d)
        self.assertEqual(d['key'], 'value')

    def test_keyerror(self):
        d = Dict()
        with self.assertRaises(KeyError):
            value = d['empty']

    def test_attrerror(self):
        d = Dict()
        with self.assertRaises(AttributeError):
            value = d.empty
    def setUp(self):
        print('setUp...')

    def tearDown(self):
        print('tearDown...')
    def abs(n):
        '''
        Function to get absolute value of number.
    
        Example:
    
        >>> abs(1)
        1
        >>> abs(-1)
        1
        >>> abs(0)
        0
        '''
        return n if n >= 0 else (-n)
